Greek Socialist Party

Greek Socialist Party for Democracy and Development (ESK) (Greek: Ελληνικό Σοσιαλιστικό Κόμμα για τη Δημοκρατία και την Ανάπτυξη ) was a Greek political party founded in April 1987 by Gerasimos Arsenis after his expulsion from the Panhellenic Socialist Movement.

Among his members were the unionists Christos Kokkinovasilis and Dimitris Pipergias, Rovertos Spyropoulos and actress Nora Katseli. The party expressed those who were dissatisfied with the Economic stabilization program of 1985-1987 of Costas Simitis, Minister of National Economy.

He took part in the election of June, 1989 and gained 0.21%. In the European election of 1989 the party received 43,654 votes and gained 0.66%. A few months later, Gerasimos Arsenis returned to Panhellenic Socialist Movement and the party dissolved.